US20200233653A1 - Program updating method - Google Patents

Program updating method Download PDF

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Publication number
US20200233653A1
US20200233653A1 US16/486,292 US201816486292A US2020233653A1 US 20200233653 A1 US20200233653 A1 US 20200233653A1 US 201816486292 A US201816486292 A US 201816486292A US 2020233653 A1 US2020233653 A1 US 2020233653A1
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Prior art keywords
complete
program
updating
downloading
function
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Abandoned
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US16/486,292
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English (en)
Inventor
Hayato Fukushima
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Wiring Systems Ltd
AutoNetworks Technologies Ltd
Sumitomo Electric Industries Ltd
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Sumitomo Wiring Systems Ltd
AutoNetworks Technologies Ltd
Sumitomo Electric Industries Ltd
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Assigned to SUMITOMO WIRING SYSTEMS, LTD., AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD. reassignment SUMITOMO WIRING SYSTEMS, LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: FUKUSHIMA, HAYATO
Publication of US20200233653A1 publication Critical patent/US20200233653A1/en
Abandoned legal-status Critical Current

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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F8/00—Arrangements for software engineering
    • G06F8/60—Software deployment
    • G06F8/65—Updates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/445—Program loading or initiating
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/46—Multiprogramming arrangements
    • G06F9/54—Interprogram communication
    • G06F9/542—Event management; Broadcasting; Multicasting; Notifications

Definitions

  • This disclosure relates to updating a program that controls the operation of a device that is installed in a vehicle.
  • ECUs Electronic control units
  • in-vehicle devices devices that are installed in vehicles
  • ECUs control the operation of the engine, for example.
  • the operations of the ECUs are controlled by programs.
  • Updating It is possible to update these programs (hereinafter also referred to as ‘updating’).
  • a program hereinafter ‘update program’) for updating these programs is downloaded from outside of the vehicle, and the downloaded update program is used to update the programs of the in-vehicle device.
  • update program a program for updating these programs is downloaded from outside of the vehicle
  • the downloaded update program is used to update the programs of the in-vehicle device.
  • JP 2004-326689A listed below introduces a technique in which the update program is downloaded from a service center to the vehicle via a mobile communication network, and the downloaded update program is used to update the programs of the in-vehicle devices.
  • an object of the present disclosure is to provide a technique in which the timing of updating a program is determined by a user.
  • a program updating method is a method for updating a program that controls the operation of a device that is installed in a vehicle.
  • the method includes a first step of determining whether or not storage of an update program for updating the program is complete, a second step of notifying that the storage is complete when a result of the determination in the first step is affirmative, and a third step of, after the second step, updating of the program starting by means of the stored update program after a predetermined instruction.
  • FIG. 1 is a diagram showing a vehicle in which a program updating method according to a first embodiment is performed.
  • FIG. 2 is a flowchart showing the program updating method according to the first embodiment.
  • FIG. 3 is a diagram showing what is displayed by a car navigation system in the first embodiment.
  • FIG. 4 is a diagram showing what is displayed by the car navigation system in the first embodiment.
  • FIG. 5 is a diagram showing what is displayed by the car navigation system in the first embodiment.
  • FIG. 6 is a diagram showing a vehicle in which the program updating method according to a second embodiment is performed.
  • FIG. 7 is a flowchart showing the program updating method according to the second embodiment, with some parts omitted.
  • FIG. 8 is a diagram showing what is displayed by the car navigation system in the second embodiment.
  • FIG. 9 is a diagram showing what is displayed by the car navigation system in the second embodiment.
  • FIG. 10 is a diagram showing what is displayed by the car navigation system in the second embodiment.
  • FIG. 11 is a diagram showing the vehicle in which the program updating method according to a variation of the second embodiment is performed.
  • FIG. 12 is a flowchart showing the program updating method according to the variation of the second embodiment, with some parts omitted.
  • FIG. 13 is a diagram showing what is displayed by a speedometer in the variation of the second embodiment.
  • FIG. 14 is a diagram showing what is displayed by the speedometer in the variation of the second embodiment.
  • FIG. 15 is a diagram showing what is displayed by the speedometer in the variation of the second embodiment.
  • FIG. 1 is a diagram showing a vehicle 1 in which the updating method is performed.
  • FIG. 2 is a flowchart showing the updating method.
  • a communication ECU 101 , a relay ECU 102 , a car navigation system 103 , an engine ECU 104 , and an engine 105 are installed in the vehicle 1 .
  • other constituent elements for performing other operations are also installed in the vehicle 1 , however those other constituent elements have only a limited connection to the present embodiment and thus illustrations and descriptions thereof will be omitted.
  • the engine ECU 104 is an ECU for controlling the operation of the engine 105 .
  • the engine ECU 104 is an in-vehicle device that operates based on a program and is the subject of program updating in the present embodiment.
  • the communication ECU 101 receives an update program P from a server 2 by communicating therewith.
  • the update program P is downloaded to the communication ECU 101 (step S 901 ).
  • This communication may be realized through wireless communication, for example. Although omitted from the drawings, this communication can be performed via a well known communication network.
  • Ethernet registered trademark
  • a central gateway or an Ethernet switch may be used as the relay ECU 102 .
  • step S 903 it is determined whether or not storage of the update program P is complete. This determination may be realized by, for example, the relay ECU 102 determining whether or not the transfer of the update program P thereto is complete. Alternatively, this determination may also be realized by the communication ECU 101 determining whether or not the transfer of the update program P is complete.
  • step S 903 If the result of the determination in step S 903 is negative (shown as “No” in FIG. 2 ; the same hereinafter), that is, as long as it is determined that storage of the update program P is not complete, the determination in step S 903 is repeated.
  • step S 903 If the result of the determination in step S 903 is affirmative (shown as “Yes” in FIG. 2 ; the same hereinafter), updating of the program of the engine ECU 104 is ready to be performed by the relay ECU 102 with use of the update program P.
  • step S 903 it is desirable that the program of the engine ECU 104 is not updated while the engine 105 is operating. Therefore, even if the result of the determination in step S 903 is affirmative, updating will not be performed if the vehicle 1 is traveling and, as will be described later, the user will also not be notified that downloading is complete.
  • step S 904 it is determined whether or not the vehicle 1 is traveling. This determination can be performed by, for example, the relay ECU 102 based on the operational status of another ECU such as the engine ECU 104 .
  • step S 904 If the result of the determination in step S 904 is affirmative, that is, as long as it is determined that the vehicle 1 is traveling, the determination in step S 904 is repeated.
  • step S 905 the car navigation system 103 will display either one of, or both of, the update program P being available and updating being possible. This display can be executed by the car navigation system 103 with use of the control of the relay ECU 102 . Even in a state where the vehicle 1 is not traveling, as is well known, it is possible to operate, for example, the communication ECU 101 , the relay ECU 102 , the car navigation system 103 , and the engine ECU 104 with only a battery (not shown) that is typically provided in the vehicle 1 .
  • FIG. 3 and FIG. 4 are diagrams showing what is displayed by the car navigation system 103 .
  • FIG. 3 shows a state where only a function inherent to the car navigation system 103 , such as the display of a map 103 a , is displayed, and shows what is displayed by the car navigation system 103 before step S 905 is executed.
  • FIG. 4 shows what is displayed by the car navigation system 103 when step S 905 has been executed.
  • a display 103 b is performed for choosing whether or not updating is to be performed.
  • This display in the present embodiment, corresponds to displaying that updating is ready to be performed, and that the update program P is available.
  • step S 905 After step S 905 has been executed, processing proceeds to step S 906 and it is determined whether or not updating has been instructed by a user. Unlike in the technique disclosed in JP 2004-326689A, updating in the present embodiment will not be performed without this instruction.
  • Touch-input on a screen of the car navigation system 103 can be used as a technique for realizing a user instruction as to whether or not to permit updating.
  • an update instruction is given by the user touching the vicinity of “Yes” in the display “Perform Update? Yes No” of the display 103 b .
  • the user can instruct to not permit updating by touching the vicinity of “No” of the display 103 b.
  • step S 906 If the result of the determination in step S 906 is negative, which, in terms of FIG. 4 , means that the vicinity of “No” from the display content 103 b is touched, processing returns to step S 904 through step S 911 .
  • step S 911 the display performed in step S 905 , which, in terms of FIG. 4 , is the display content 103 b , is erased and a predetermined standby time is provided.
  • the car navigation system 103 performs display as illustrated in FIG. 3 .
  • Step S 911 is processing for causing the update to standby until updating is convenient for the user.
  • the predetermined time can be, for example, one hour.
  • step S 911 processing may also return to step S 905 .
  • processing may also return to step S 905 .
  • step S 906 If the result of the determination made in step S 906 is affirmative, which, in terms of FIG. 4 , means that the vicinity of “Yes” of the display 103 b is touched, processing proceeds to step S 907 , and the car navigation system 103 displays that updating is being performed (that a program is continuing to be updated).
  • FIG. 5 is a diagram showing what is displayed by the car navigation system 103 when step S 907 has been executed.
  • FIG. 5 illustrates a case where “updating” is displayed as a display 103 c .
  • step S 908 the relay ECU 102 uses the update program P to start updating the program of the engine ECU 104 .
  • step S 909 which is executed following step S 908 , it is determined whether or not updating is complete. This determination can be executed by the relay ECU 102 that uses the update program P to update the engine ECU 104 .
  • step S 909 will continue to be executed. If the result of this determination becomes affirmative, processing proceeds to step S 910 , and the display 103 c is erased in step S 910 . Thus, the car navigation system 103 performs the display shown in FIG. 3 .
  • Displaying either of the displays 103 b or 103 c is not a function that is inherent to the car navigation system 103 . Accordingly, it is desirable that the displays 103 b and 103 c are displayed such that they do not hinder visibility of the map 103 a , which is displayed as a function inherent to the car navigation system 103 . In the examples illustrated in FIG. 4 and FIG. 5 , the displays 103 b and 103 c are displayed in the vicinity of the lower right hand corner of the map 103 a.
  • step S 903 it is determined whether or not storage of the update program P is complete in step S 903 , and when the result of the determination in step S 903 is affirmative, it is notified in step S 905 that storage of the update program P is complete.
  • step S 905 which is an update instruction by a user in the foregoing example
  • step S 908 program updating by means of the stored update program P is started.
  • the program will be updated when the user gives a predetermined instruction after the user is aware of the notification informing the user that storage is complete. Thus, the user can determine the timing of the updating.
  • step S 905 is executed after it is determined in step S 904 that the vehicle 1 is not traveling, and thus it is possible to prevent the user from mistakenly starting a download.
  • step S 907 It is notified in step S 907 that the updating is ongoing. This is desirable from the viewpoint of preventing a user from mistakenly starting to operate an in-vehicle device (the engine ECU 104 that controls the engine 105 , for example) while updating is being performed. Note that, even if the user attempts to operate the engine 105 while the program of the engine ECU 104 is being updated (updating), this attempt will fail.
  • step S 910 It is notified in step S 910 that updating is complete, and thus the user can be aware of the timing at which operation of an in-vehicle device can be started.
  • FIG. 6 is a diagram showing the vehicle 1 in which the updating method is performed. Note that in the description of the present embodiment, constituent elements and steps that are similar to those in the first embodiment shall be denoted with the same reference numerals and descriptions thereof shall be omitted.
  • the communication ECU 101 receives the update program P from the server 2 by communicating therewith, similarly to the first embodiment. However, unlike in the first embodiment, the communication ECU 101 , in the present embodiment, also controls the operation of the car navigation system 103 .
  • FIG. 7 is a flowchart showing the program updating method according to the present embodiment, with some parts omitted.
  • step S 901 in the flowchart shown in FIG. 2 in relation to the first embodiment is replaced with steps S 901 a to S 901 g shown in FIG. 7 .
  • illustration of steps S 903 to S 911 in the flowchart shown in FIG. 2 is omitted from the flowchart in FIG. 7 .
  • step S 901 a downloading of the update program P from the server 2 to the communication ECU 101 is started. After downloading is started, it is determined in step S 901 b whether or not the car navigation system 103 is performing route guidance. If the result of the determination in step S 901 b is negative, information about the downloading is notified in the car navigation system 103 . If the result of this determination is affirmative, information about the downloading is not notified so that visibility of the route guidance is not hindered.
  • the vehicle 1 includes a display apparatus, such as a car navigation system 103 , for example, that has both a first function and a second function.
  • the first function is displaying predetermined information (for example, route guidance if the car navigation system 103 is used as an example of the display apparatus).
  • the second function is notifying the downloading status of the update program P, such as completion thereof.
  • the second function When the display apparatus is exhibiting the first function, the second function will activate after the first function stops, even if an affirmative result is obtained when determining whether or not updating of the program P is complete.
  • the display apparatus has stopped the first function (for example, in the case of simply displaying the map and not route guidance if the car navigation system 103 is used as an example of the display apparatus)
  • the second function will activate after the result of this determination becomes affirmative.
  • step S 901 b If the result of the determination in step S 901 b is affirmative, processing proceeds to step S 901 c. In step S 901 c, it is determined whether or not updating of the update program P is complete.
  • the communication ECU 101 controls the car navigation system 103 and therefore this determination can be realized by the communication ECU 101 determining whether or not the transfer of the update program P is complete.
  • step S 901 c If the result of the determination made in S 901 c is affirmative, processing proceeds to step S 901 d, or step S 901 c is repeated if the result is negative.
  • step S 901 d it is determined whether or not route guidance in the car navigation system 103 is complete.
  • the communication ECU 101 controls the car navigation system 103 and therefore this determination can be performed by the communication ECU 101 .
  • step S 901 d is repeated to prioritize route guidance. If the result of the determination in step S 901 d is affirmative, processing proceeds to step S 901 g.
  • step S 901 e it is notified that downloading is being performed. Specifically, the car navigation system 103 displays that downloading is being performed.
  • FIG. 8 shows what is displayed by the car navigation system 103 when step S 901 e has been executed.
  • a map 103 d is a map that is shown in a state where route guidance is not being performed (that is, when the first function described above has been stopped). In contrast, whether or not the map 103 a in the first embodiment (see FIGS. 3 to 5 ) is performing route guidance is irrelevant.
  • a display 103 e is display for notifying that downloading is being performed, and may display “Downloading reprogramming data”, for example.
  • “reprogramming data” refers to the update program P.
  • step S 901 e After step S 901 e has been executed, processing proceeds to step S 901 f.
  • step S 901 f similarly to in step S 901 c , it is determined whether or not downloading of the update program P is complete.
  • step S 901 g if the result of the determination in S 901 f is affirmative, or step S 901 f is repeated if the result is negative.
  • step S 901 g it is notified that downloading is complete (which corresponds to the second function described above). Specifically, the car navigation system 103 displays that downloading of the update program P is complete. After step S 901 g has been executed, processing proceeds to step S 902 .
  • FIG. 9 shows what is displayed by the car navigation system 103 when step S 901 g has been executed.
  • a display 103 f is display for notifying that downloading is complete, and may display “Reprogramming data download complete”, for example.
  • FIG. 10 shows what is displayed by the car navigation system 103 when step S 905 ( FIG. 2 ) has been executed in the present embodiment.
  • FIG. 10 illustrates an example in which a display 103 g showing both that the update program P is available and that updating is possible (shows a choice of whether or not to update) is displayed on the car navigation system 103 .
  • the display 103 b ( FIG. 4 ) may be used instead of the display 103 g in the present embodiment.
  • the display 103 g may be used instead of the display 103 b in the first embodiment.
  • the displays 103 e , 103 f , 103 g are, similarly to the displays 103 b and 103 c , displayed such that they do not hinder the visibility of the map 103 a that is displayed as an inherent function of the car navigation system 103 .
  • the displays 103 e , 103 f and 103 g are displayed in the vicinity of the lower right hand corner of the map 103 a.
  • step S 907 is, in view of the reason for the display, provided directly before or directly after step S 908 . Accordingly, step S 907 may also be provided directly before step S 908 as illustrated in FIG. 2 , or provided directly after step S 908 .
  • step S 901 c If the result of the determination in step S 901 c is negative, instead of processing returning to step S 901 c and repeating that step, processing may also return to step S 901 b .
  • steps S 901 e to S 901 g are executed and the car navigation system 103 can notify that downloading is being performed and that downloading is complete.
  • the displays in steps S 901 e and S 901 g can also be executed by means other than the car navigation system 103 .
  • the displays described above can be performed on a head-up display, a speedometer, or the like.
  • This variation in advantageous in that the aforementioned displays can be used to perform the notifications intended in the steps to the user even if, for example, the user does not use the car navigation system 103 . This is because a head-up display, a speedometer, and the like are visible to all users.
  • steps S 901 b , S 901 c , and S 901 d shown in the flowchart in FIG. 7 are omitted.
  • FIG. 11 is a diagram showing the vehicle 1 in which the program updating method according to this variation is performed.
  • FIG. 12 is a flowchart showing the program updating method according to this variation, with some parts omitted.
  • FIGS. 13 to 15 are diagrams showing what is displayed by the speedometer 106 in this variation.
  • FIGS. 11 to 15 correspond to FIGS. 6 to 10 , respectively.
  • the configuration shown in FIG. 11 is a configuration in which the speedometer 106 is installed instead of the car navigation system 103 in the configuration shown in FIG. 6 .
  • the speedometer 106 is, similarly to the car navigation system 103 , also an in-vehicle device that operates under control of the communication ECU 101 .
  • Step S 901 h and S 901 i in this variation correspond respectively to steps S 901 e and S 901 g in the second embodiment, and are steps in which “car navigation system” is replaced by the “speedometer”.
  • a display 106 a is a display that the speedometer 106 usually shows, such as the traveling speed of the vehicle 1 , for example.
  • the displays 106 e , 106 f , and 106 g are the same as the displays 103 e , 103 f , and 103 g ( FIGS. 8 to 10 ), respectively.
  • “car navigation system” may also be changed to “speedometer” in steps S 905 and S 907 ( FIG. 2 ).
  • FIG. 15 corresponds to the case in which “car navigation system” is changed to “speedometer” in step S 905 .
  • displays 103 e , 103 f , and 103 g similarly to displays 106 e , 106 f , and 106 g , may also be displayed in a similar manner to the flowchart in FIG. 12 .
  • FIG. 1 A first figure.

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  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
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  • General Physics & Mathematics (AREA)
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US16/486,292 2017-02-27 2018-02-07 Program updating method Abandoned US20200233653A1 (en)

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JP2017-034991 2017-02-27
JP2017034991A JP6747339B2 (ja) 2017-02-27 2017-02-27 プログラム更新方法
PCT/JP2018/004164 WO2018155184A1 (ja) 2017-02-27 2018-02-07 プログラム更新方法

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US20220027166A1 (en) * 2019-12-09 2022-01-27 Panasonic Intellectual Property Management Co., Ltd. Information processing device, moving object, and information processing method
US11947970B2 (en) * 2019-12-09 2024-04-02 Panasonic Intellectual Property Management Co., Ltd. Information processing device, moving object, and information processing method

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